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v3.21.2

Note 14 - Leases (Details Textual) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 USD ($) ft² a | Jun. 30, 2020 USD ($) | Jun. 30, 2021 USD ($) ft² a | Jun. 30, 2021 EUR (€) ft² a | Jun. 30, 2020 USD ($)
Operating Lease, Payments | $ 944,000 | $ 217,000 | $ 1,500,000 |  | $ 434,000
Bothell, Washington Headquarters [Member] |  |  |  |  |
Area of Real Estate Property (Square Foot) | ft² | 32,106 |  | 32,106 | 32,106 |
Lease Agreement, Tenant Allowance |  |  | $ 2,600,000 |  |
Lessee, Operating Lease, Renewal Term (Year) | 5 years |  | 5 years | 5 years |
Monthly Base Rent Expense |  |  | $ 65,000 |  |
Menlo Park, California Location [Member] |  |  |  |  |
Area of Real Estate Property (Square Foot) | ft² | 3,460 |  | 3,460 | 3,460 |
Monthly Base Rent Expense |  |  | $ 11,000 |  |
Albuquerque, New Mexico Location [Member] |  |  |  |  |
Area of Real Estate Property (Square Foot) | ft² | 9,932 |  | 9,932 | 9,932 |
Lessee, Operating Lease, Renewal Term (Year) | 3 years |  | 3 years | 3 years |
Monthly Base Rent Expense |  |  | $ 9,000 |  |
Detroit, Michigan Location [Member] |  |  |  |  |
Area of Real Estate Property (Square Foot) | ft² | 106,998 |  | 106,998 | 106,998 |
Monthly Base Rent Expense |  |  | $ 35,000 |  |
United States, First Lease Agreement [Member] |  |  |  |  |
Area of Real Estate Property (Square Foot) | a | 16,800 |  | 16,800 | 16,800 |
Monthly Base Rent Expense |  |  | $ 14,000 |  |
United States, Second Lease Agreement [Member] |  |  |  |  |
Area of Real Estate Property (Square Foot) | a | 20,000 |  | 20,000 | 20,000 |
Monthly Base Rent Expense |  |  | $ 13,000 |  |
United States, Third Lease Agreement [Member] |  |  |  |  |
Area of Real Estate Property (Square Foot) | a | 12,500 |  | 12,500 | 12,500 |
Monthly Base Rent Expense |  |  | $ 8,000 |  |
The United States of America [Member] |  |  |  |  |
Area of Real Estate Property (Square Foot) | ft² | 16,153 |  | 16,153 | 16,153 |
Monthly Base Rent Expense |  |  | $ 13,000 |  |
The United States of America, Second Lease [Member] |  |  |  |  |
Area of Real Estate Property (Square Foot) | ft² | 26,800 |  | 26,800 | 26,800 |
Lessee, Operating Lease, Renewal Term (Year) | 5 years |  | 5 years | 5 years |
Monthly Base Rent Expense |  |  | $ 27,000 |  |
Lessee, Operating Lease, Yearly Rent Increase Percentage |  |  | 2.50% | 2.50% |
The Netherlands Lease Agreement [Member] |  |  |  |  |
Area of Real Estate Property (Square Foot) | a | 47,533 |  | 47,533 | 47,533 |
Lessee, Operating Lease, Renewal Term (Year) | 5 years |  | 5 years | 5 years |
Monthly Base Rent Expense |  |  | $ 34,000 | € 28,726 |
Lease in Athens, Ohio [Member] |  |  |  |  |
Area of Real Estate Property (Square Foot) | a | 50,000 |  | 50,000 | 50,000 |
Monthly Base Rent Expense |  |  | $ 23,000 |  |
Lease in Columbus, Ohio [Member] |  |  |  |  |
Area of Real Estate Property (Square Foot) | a | 1,807 |  | 1,807 | 1,807 |
Monthly Base Rent Expense |  |  | $ 4,000 |  |
Lease in Nelsonville, Ohio [Member] |  |  |  |  |
Area of Real Estate Property (Square Foot) | a | 22,764 |  | 22,764 | 22,764 |
Monthly Base Rent Expense |  |  | $ 10,000 |  |

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- Definition Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918673-209980 + Details
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